81418648

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{467}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 170726400

約数和(自身を除く): 89307752

約数列:

[1, 2, 4, 8, 19, 31, 37, 38, 62, 74, 76, 124, 148, 152, 248, 296, 467, 589, 703, 934, 1147, 1178, 1406, 1868, 2294, 2356, 2812, 3736, 4588, 4712, 5624, 8873, 9176, 14477, 17279, 17746, 21793, 28954, 34558, 35492, 43586, 57908, 69116, 70984, 87172, 115816, 138232, 174344, 275063, 328301, 535649, 550126, 656602, 1071298, 1100252, 1313204, 2142596, 2200504, 2626408, 4285192, 10177331, 20354662, 40709324, 81418648]

約数ペア:

[(1, 81418648), (2, 40709324), (4, 20354662), (8, 10177331), (19, 4285192), (31, 2626408), (37, 2200504), (38, 2142596), (62, 1313204), (74, 1100252), (76, 1071298), (124, 656602), (148, 550126), (152, 535649), (248, 328301), (296, 275063), (467, 174344), (589, 138232), (703, 115816), (934, 87172), (1147, 70984), (1178, 69116), (1406, 57908), (1868, 43586), (2294, 35492), (2356, 34558), (2812, 28954), (3736, 21793), (4588, 17746), (4712, 17279), (5624, 14477), (8873, 9176)]